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Commits on Feb 7, 2023

• statistics/handle: refine the condition of dumping stats delta (pingcap#41133)

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• statistics/handle: remove unnecessary h.mu.Lock (pingcap#41153)

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Commits on Feb 3, 2023

• statistics: use histogram count rather than realtime count to calculate stats healthy (pingcap#41031)

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Commits on Feb 2, 2023

• statistics: move TableStatsFromStorage out of handle (pingcap#40822)

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• ddl, statistics: fix stats meta missing when creating many tables at once (pingcap#38301)

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Commits on Jan 28, 2023

• statistics: move statsReader out of statistics/handle (pingcap#40790)

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Commits on Jan 4, 2023

• server, tidb-server: kill auto analyze when gracefully shutting down (pingcap#40284)

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Commits on Dec 26, 2022

• store/copr: don't reset concurrency of analyze req to 2 (pingcap#40168)

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Commits on Dec 23, 2022

• statistics: fix incorrect datetime value when loading stats (pingcap#40084)

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Commits on Dec 19, 2022

• executor: fix unstable TestMaxPreparedStmtCount (pingcap#40024)

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Commits on Dec 15, 2022

• sessionctx, executor: fix failure of reading MaxPreparedStmtCount (pingcap#39736)

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• domain, statistics: periodically update stats healthy distribution (pingcap#39739)

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Commits on Dec 1, 2022

• statistics: enlarge capacity of ddlEventCh to 1000 (pingcap#39532)

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Commits on Nov 25, 2022

• errno, statistics: show partition name whose stats are missing when merging global stats fails (pingcap#39348)

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• statistics: remove 1min no write check for unanalyzed table in auto analyze (pingcap#39395)

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Commits on Nov 22, 2022

• domain, executor: refine error log and error handling for statistics and analyze (pingcap#39284)

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Commits on Oct 28, 2022

• planner: add more tests for pushing IsNull to prefix index (pingcap#38697)

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• session: set tidb_opt_range_max_size to 0 when upgrading to v6.4.0+ (pingcap#38694)

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Commits on Oct 24, 2022

• planner: avoid double scan for index prefix col is (not) null (pingcap#38555)

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Commits on Oct 21, 2022

• sessionctx/variable: turn on range memory control by default (pingcap#38592)

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Commits on Oct 11, 2022

• executor: let Compile catch PanicMemoryExceed (pingcap#38375)

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Commits on Oct 10, 2022

• planner: fix index join range display when executing the cached plan (pingcap#38284)

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Commits on Sep 30, 2022

• planner, util/ranger: restrict mem usage for index join inner ranges (pingcap#38129)

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• planner: refine index join range display for clustered index (pingcap#38259)

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Commits on Sep 22, 2022

• planner: small refactor for index join inner range building (pingcap#38100)

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Commits on Sep 21, 2022

• *: restrict index range mem usage (pingcap#37754)

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Commits on Sep 15, 2022

• util/ranger: reuse convertPoint and validInterval logic (pingcap#37831)

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• sessionctx/variable: put TiDBOptRangeMaxSize to right place and set default value to 0 (pingcap#37835)

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Commits on Sep 14, 2022

• executor: fix setting system variables to original values failed after auto analyze (pingcap#37551)

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Commits on Sep 13, 2022

• util/ranger: use different full range for pk, not-null col and normal col when range fallback happens (pingcap#37769)

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• ddl: fix unstable test TestAlterTableDropPartitionByList (pingcap#37751)

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Commits on Sep 9, 2022

• *: restrict column range mem usage (pingcap#37714)

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Commits on Sep 8, 2022

• sessionctx/variable: add system variable tidb_opt_range_max_size (pingcap#37706)

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Commits on Sep 7, 2022

• sessionctx/variable: turn off TiDBEnablePseudoForOutdatedStats by default (pingcap#36797)

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Commits on Sep 2, 2022

• executor: fix flaky TestDefaultValForAnalyze (pingcap#37576)

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